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Add 15/90 and 2/42

15/90 + 2/42 is 3/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    15/90 = 15 × 7/90 × 7 = 105/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    2/42 = 2 × 15/42 × 15 = 30/630
  4. Add the two like fractions:
    105/630 + 30/630 = 105 + 30/630 = 135/630
  5. 135/630 simplified gives 3/14
  6. So, 15/90 + 2/42 = 3/14

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